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EudorIA Threat Observatory

45.156.128.53

Technical source observed on EudorIA perimeter controls. All the events listed were blocked, contained or detected by the defensive systems.

Confidencehigh5 catalogued events

First observation08/08/2026 22:47

Last observation18/09/2026 02:52

Controls areaFIREWALL, IPS

Maximum rule level10/20

Network context

Estimated origin

Country: Portugal (PT)
City: Location not published by the sources
ASN: AS211680
ASN operator / holder: AS-BITSIGHT - NSEC - Sistemas Informaticos, S.A., PT
Announced prefix: 45.156.128.0/24
Reverse DNS: sh-ams-nl-gp1-wk111c.internet-census.org

Last activity

IPS detection

Public destination: eudoria.it
Service: DNS UDP
Rule: 100901
Technical reason: GPL DNS named version attempt
Outcome: Blocked / detected

Minimised history

Observed evidence

Last 5 publishable events

18/09/2026 02:52

IPS

IPS detection

high

GPL DNS named version attempt

Destination: eudoria.it
Service: DNS UDP
Outcome: Detected

08/08/2026 22:55

FIREWALL

Repeated network probe

medium

Repeated OPNsense blocked traffic from the same sour[indirizzo] 45.156.128.53.

Destination: eudoria.it
Service: UDP porta 27015 (servizio non catalogato)
Outcome: Blocked

08/08/2026 22:52

FIREWALL

Repeated network probe

medium

Repeated OPNsense blocked traffic from the same sour[indirizzo] 45.156.128.53.

Destination: eudoria.it
Service: UDP porta 3702 (servizio non catalogato)
Outcome: Blocked

08/08/2026 22:49

FIREWALL

Repeated network probe

medium

Repeated OPNsense blocked traffic from the same sour[indirizzo] 45.156.128.53.

Destination: eudoria.it
Service: UDP porta 500 (servizio non catalogato)
Outcome: Blocked

08/08/2026 22:47

FIREWALL

Repeated network probe

medium

Repeated OPNsense blocked traffic from the same sour[indirizzo] 45.156.128.53.

Destination: eudoria.it
Service: UDP porta 69 (servizio non catalogato)
Outcome: Blocked